5402440

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 12260160

約数和(自身を除く): 6857720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1031, 1048, 1310, 2062, 2620, 4124, 5155, 5240, 8248, 10310, 20620, 41240, 135061, 270122, 540244, 675305, 1080488, 1350610, 2701220, 5402440]

約数ペア:

[(1, 5402440), (2, 2701220), (4, 1350610), (5, 1080488), (8, 675305), (10, 540244), (20, 270122), (40, 135061), (131, 41240), (262, 20620), (524, 10310), (655, 8248), (1031, 5240), (1048, 5155), (1310, 4124), (2062, 2620)]